For compressed air pressure, it is generally 3-8 bar (0.3-0.8 MPa), but it is not within this pressure range. The boosting effect of the same booster pump is the same, and the boosting ratio of the same pneumatic booster pump (the area ratio of the driving piston to the boosting piston) is fixed. Of course, the driving pressure of 3 bar is different from the high output pressure of 8 bar.
Therefore, do not misunderstand it as the requirement for a driving air pressure of 3-8 bar means that the same pressure can be reached within this pressure range. The output pressure of the pneumatic booster pump is closely related to the pressure of the driving gas and pre added gas (driving gas: low pressure * boost ratio=output pressure). Therefore, when selecting equipment, it is necessary to choose the appropriate boost ratio based on the on-site compressed air pressure. Under normal circumstances, The output pressure of the selected equipment is slightly higher than the actual usage pressure, leaving a certain margin. Because as the pressure approaches the high output pressure of the gas booster pump, the frequency of the booster pump slows down and the flow rate decreases, making it relatively difficult to reach the high output pressure. Increasing the pressure ratio can effectively solve this problem.
The requirement for gas consumption generally requires a flow rate of ≥ 0.6m/ Around min, the gas consumption is not a fixed value. When the load of the gas booster pump is smaller, the frequency of the booster pump is faster. When the load is larger, the frequency of the gas booster pump is slower. When the output pressure is high, the gas booster pump stops working and no longer consumes gas. In terms of the selection of air compressors, the 7.5kW air compressor is equipped with a 200L or more air tank, which is a low requirement for the normal operation of gas boosting equipment.
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